发明名称 METHODS OF HARDBANDING JOINTS OF PIPE USING FRICTION STIR WELDING
摘要 A method for applying a wear reducing material to a tool used in a wellbore operation that includes welding a hardfacing alloy to a surface of the tool, wherein the welding comprises friction stirring the alloy into the tool's surface is disclosed. Methods of welding a preformed sleeve or width of wear reducing material using friction stirring are also disclosed.
申请公布号 EP2334463(A4) 申请公布日期 2017.03.01
申请号 EP20090807267 申请日期 2009.08.13
申请人 Smith International, Inc. 发明人 KESHAVAN, Madapusi, K.;STEEL, Russell, J.;ROTH, Cary, A.;ALSUP, Shelton, W.
分类号 B23K20/12;B23K20/22;B23K20/227;B23K101/20 主分类号 B23K20/12
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